Khi lai 2 thứ đậu thơm thuần chủng hoa đỏ và hoa trắng với nhau được F1 toàn hoa đỏ. Cho F1 tiếp tục giao phấn nhau được F2 có 176 cây hoa đỏ và 128 cây hoa trắng. Xác suất để ở F2 xuất hiện 3 cây trên cùng một lô đất có thể gặp ít nhất một cây hoa đỏ là

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Một số câu hỏi khác có thể bạn quan tâm.

• Find a mistake in the four underlined parts of the sentence and correct it:

  This could have done much more easily by a machine.

• Find a mistake in the four underlined parts of the sentence and correct it:

  A game is divided into quarters ranging from five to eight minutes in long.

• Find a mistake in the four underlined parts of the sentence and correct it:

  The home team wears white caps, the visiting team blue one.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Alike football, a water polo game begins with the ball in the centre of the pool.

• Find a mistake in the four underlined parts of the sentence and correct it:

  At least two players must touch the ball after a free throw before a goal can score.

• Choose the best answer for the following sentence:

  She can't stand __________________ under such terrible conditions.
   

• Choose the best answer for the following sentence:

  It is no use ____________________ over spilt milk.
   

• Find a mistake in the four underlined parts of the sentence and correct it:

  Which players are allowed holding the ball with both hands?

• Choose the best answer for the following sentence:

  ESL students from Asia often have great difficulty __________________ some English sounds.
   

• Find a mistake in the four underlined parts of the sentence and correct it:

  Our plans are getting much and more out of hand.